Re: ¿Cuál es la forma correcta: neoyorquino o neoyorkino?

Because of the same reasons why we say Ginebra for Geneva. Swiss people may ask themselves the same question. The spelling of the city's name is also different in French and German, but languages tend to adapt toponyms in most cases. I agree it would be easier to avoid misunderstandings, but that's how it is. In fact, if you say New York while speaking Spanish, you'll sound posh.